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April 26, 2023

Important Days and Weeks 2023: National and International Days

We created a comprehensive list of the notable national and international days and weeks to look out for in 2023. This list will help you to help you mark your calendars and stay informed about significant events happening worldwide.

Arzu Özkan-  Digital Marketing Manager
Arzu Özkan
Head of Marketing

Welcome to "Important Days and Weeks 2023: National and International Days," your ultimate guide to significant events happening worldwide in 2023. Here we have compiled a month-wise list of important national and international days and weeks of the year. With this comprehensive list of important days and weeks, you can find days to celebrate for all months. Don't forget to mark the days and weeks that are important to you while arranging your new year calendar. This comprehensive list of important days and weeks can help you with many exams, if you are a marketer, it can be helpful in planning your company's social media posts for special days. You can also easily mark special days that you will celebrate with your family and friends. You may want to follow the events organized on many special days and weeks. With this comprehensive list of special days and weeks, you can also have good insight to keep track of events in your country. So let's get started! Here are the important days and weeks of 2023 and all years.

Table of Contents:

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National and International Days and Weeks by Month

January's Important Days & Weeks

  • 01 January: New Year
  • 01 January: World Peace Day
  • 04 January: World Braille Day
  • 24 January: International Day of Education
  • 27 January: International Day of Commemoration in Memory of the Victims of the Holocaust
  • 28 January: Data Protection Day

February's Important Days & Weeks

  • 01 February: World Interfaith Harmony Week
  • 02 February: World Wetlands Day
  • 04 February: International Day of Human Fraternity
  • 04 February: World Cancer Day
  • 07 February: International Development Week
  • 10 February: World Pulses Day
  • 11 February: International Day of Women and Girls in Science
  • 12 February: International Day for the Prevention of Violent Extremism as and when Conducive to Terrorism
  • 13 February: World Radio Day
  • 17 February: Global Tourism Resilience Day
  • 20 February: World Day of Social Justice
  • 21 February: International Mother Language Day
  • 28 February: National Science Day

March's Important Days & Weeks

  • 01 March: World Seagrass Day
  • 01 March: Zero Discrimination Day
  • 03 March: World Wildlife Day
  • 04 March: National Safety Day
  • 05 March: International Day for Disarmament and Non-Proliferation Awareness
  • 08 March: International Women's Day
  • 10 March: International Day of Women Judges
  • 13 March: No Smoking Day
  • 14 March: Pi Day
  • 15 March: International Day to Combat Islamophobia
  • 16 March: National Vaccination Day
  • 20 March: International Day of Happiness
  • 20 March: French Language Day
  • 21 March: Week of Solidarity with the Peoples Struggling against Racism and Racial Discrimination
  • 21 March: International Day for the Elimination of Racial Discrimination
  • 21 March: World Poetry Day
  • 21 March: International Day of Nowruz
  • 21 March: World Down Syndrome Day
  • 21 March: International Day of Forests
  • 22 March: World Water Day
  • 23 March: World Meteorological Day
  • 24 March: World Tuberculosis Day
  • 24 March: International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims
  • 25 March: International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
  • 25 March: International Day of Solidarity with Detained and Missing Staff Members
  • 27 March: World Theatre Day
  • 30 March: International Day of Zero Waste

April's Important Days & Weeks

  • 02 April: World Autism Awareness Day
  • 04 April: International Day for Mine Awareness and Assistance in Mine Action
  • 05 April: International Day of Conscience
  • 06 April: International Day of Sport for Development and Peace
  • 07 April: World Health Day
  • 07 April: International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda
  • 11 April: National Pet Day
  • 12 April: International Day of Human Space Flight
  • 14 April: World Chagas Disease Day
  • 18 April: World Heritage Day
  • 20 April: Chinese Language Day
  • 21 April: World Creativity and Innovation Day
  • 22 April: International Mother Earth Day
  • 22 April: World Earth Day
  • 23 April: World Book and Copyright Day
  • 23 April: English Language Day
  • 23 April: Spanish Language Day
  • 24 April: World Immunization Week
  • 24 April: International Day of Multilateralism and Diplomacy for Peace
  • 25 April: World Malaria Day
  • 25 April: International Delegate’s Day
  • 26 April: International Chernobyl Disaster Remembrance Day
  • 26 April: World Intellectual Property Day
  • 27 April: International Girls in ICT Day
  • 28 April: World Day for Safety and Health at Work
  • 28 April: World Veterinary Day
  • 30 April: International Jazz Day

May's Important Days & Weeks

  • 02 May: World Tuna Day
  • 03 May: World Press Freedom Day
  • 05 May: Vesak, the Day of the Full Moon
  • 05 May: World Portuguese Language Day
  • 08 May: Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War
  • 08 May: World Red Cross Day
  • 10 May: International Day of Argania
  • 11 May: National Technology Day
  • 12 May: International Day of Plant Health
  • 12 May: International Nurses Day
  • 14 May: World Migratory Bird Day
  • 15 May: International Day of Families
  • 16 May: International Day of Living Together in Peace
  • 16 May: International Day of Light
  • 17 May: UN Global Road Safety Week
  • 17 May: World Telecommunication and Information Society Day
  • 20 May: World Bee Day
  • 21 May: International Tea Day
  • 21 May: World Day for Cultural Diversity for Dialogue and Development
  • 22 May: International Day for Biological Diversity
  • 23 May: International Day to End Obstetric Fistul
  • 24 May: Commonwealth Day
  • 25 May: Week of Solidarity with the Peoples of Non-Self-Governing Territories
  • 29 May: International Day of UN Peacekeepers
  • 31 May: World No-Tobacco Day

June's Important Days & Weeks

  • 01 June: Global Day of Parents
  • 03 June: World Bicycle Day
  • 04 June: International Day of Innocent Children Victims of Aggression
  • 05 June: World Environment Day
  • 05 June: International Day for the Fight against Illegal, Unreported and Unregulated Fishin
  • 06 June: Russian Language Day
  • 07 June: World Food Safety Day
  • 08 June: World Oceans Day
  • 12 June: World Day Against Child Labour
  • 13 June: International Albinism Awareness Day
  • 14 June: World Blood Donor Day
  • 15 June: World Elder Abuse Awareness Day
  • 16 June: International Day of Family Remittances
  • 17 June: World Day to Combat Desertification and Drought
  • 18 June: International Day for Countering Hate Speech
  • 18 June: Sustainable Gastronomy Day
  • 19 June: International Day for the Elimination of Sexual Violence in Conflict
  • 20 June: World Refugee Day
  • 21 June: International Day of Yoga
  • 21 June: International Day of the Celebration of the Solstice
  • 23 June: International Widows' Day
  • 23 June: United Nations Public Service Day
  • 23 June: International Olympic Day
  • 24 June: International Day of Women in Diplomacy
  • 25 June: Day of the Seafarer
  • 26 June: International Day against Drug Abuse and Illicit Trafficking
  • 26 June: United Nations International Day in Support of Victims of Torture
  • 27 June: Micro-, Small and Medium-sized Enterprises Day
  • 29 June: International Day of the Tropics
  • 30 June: International Asteroid Day
  • 30 June: International Day of Parliamentarism

July's Important Days & Weeks

  • 01 July: National Doctor’s Day
  • 02 July: World UFO Day
  • 03 July: International Day of Cooperatives
  • 07 July: World Kiswahili Language Day
  • 11 July: World Population Day
  • 15 July: World Youth Skills Day
  • 18 July: Nelson Mandela International Day
  • 20 July: International Moon Day
  • 20 July: World Chess Day
  • 25 July: World Drowning Prevention Day
  • 28 July: World Hepatitis Day
  • 30 Jully: International Day of Friendship
  • 30 July: World Day against Trafficking in Persons

August's Important Days & Weeks

  • 01 August: World Breastfeeding Week
  • 09 August: International Day of the World's Indigenous Peoples
  • 12 August: International Youth Day
  • 19 August: World Humanitarian Day
  • 21 August: International Day of Remembrance and Tribute to the Victims of Terrorism
  • 22 August: International Day Commemorating the Victims of Acts of Violence Based on Religion or Belief
  • 23 August International Day for the Remembrance of the Slave Trade and Its Abolition
  • 29 August: International Day against Nuclear Tests
  • 30 August: International Day of the Victims of Enforced Disappearances
  • 31 August: International Day for People of African Descent

September's Important Days & Weeks

  • 05 September: International Day of Charity
  • 07 September: International Day of Police Cooperation
  • 07 September: International Day of Clean Air for Blue Skies
  • 08 September: International Literacy Day
  • 09 September: International Day to Protect Education from Attack
  • 12 September: United Nations Day for South-South Cooperation
  • 15 September: International Day of Democracy
  • 16 September: International Day for Interventional Cardiology
  • 16 September: International Day for the Preservation of the Ozone Layer
  • 17 September: World Patient Safety Day
  • 18 September: International Equal Pay Day
  • 21 September: International Day of Peace
  • 23 September: International Day of Sign Languages
  • 26 September: International Day for the Total Elimination of Nuclear Weapons
  • 27 September: World Tourism Day
  • 28 September: World Maritime Day
  • 28 September: International Day for Universal Access to Information
  • 29 September: International Day of Awareness of Food Loss and Waste
  • 30 September: International Translation Day

October's Important Days & Weeks

  • 01 October: International Day of Older Persons
  • 02 October: World Habitat Day
  • 02 October: International Day of Non-Violence
  • 04 October: World Space Week
  • 05 October: World Teachers’ Day
  • 07 October: World Cotton Day
  • 08 October: World Migratory Bird Day
  • 09 October: World Post Day
  • 10 October: World Mental Health Day
  • 11 October: International Day of the Girl Child
  • 13 October: International Day for Disaster Risk Reduction
  • 15 October: International Day of Rural Women
  • 16 October: World Food Day
  • 17 October: International Day for the Eradication of Poverty
  • 24 October: Global Media and Information Literacy Week
  • 24 October: United Nations Day
  • 24 October: Disarmament Week
  • 24 October: World Development Information Day
  • 27 October: World Day for Audiovisual Heritage
  • 31 October: World Cities Day

November's Important Days & Weeks

  • 02 November: International Day to End Impunity for Crimes against Journalists
  • 05 November: World Tsunami Awareness Day
  • 06 November: International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
  • 09 November: International Week of Science and Peace
  • 10 November: World Science Day for Peace and Development
  • 13 November: World Antibiotic Awareness Week
  • 14 November: World Diabetes Day
  • 16 November: International Day for Tolerance
  • 17 November: World Philosophy Day
  • 18 November: World Day for the Prevention of and Healing from Child Sexual Exploitation, Abuse and Violence
  • 19 November: World Day of Remembrance for Road Traffic Victims
  • 19 November: World Toilet Day
  • 20 November: Africa Industrialization Day
  • 20 November: World Children's Day
  • 21 November: World Television Day
  • 25 November: International Day for the Elimination of Violence against Women
  • 29 November: International Day of Solidarity with the Palestinian People
  • 30 November: Day of Remembrance for all Victims of Chemical Warfare

December's Important Days & Weeks

  • 01 December: World AIDS Day
  • 02 December: International Day for the Abolition of Slavery
  • 03 December: International Day of Persons with Disabilities
  • 04 December: International Day of Banks
  • 05 December: International Volunteer Day for Economic and Social Development
  • 05 December: World Soil Day
  • 07 December: International Civil Aviation Day
  • 09 December: International Day of Commemoration and Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime
  • 09 December: International Anti-Corruption Day
  • 10 December: Human Rights Day
  • 11 December: International Mountain Day
  • 12 December: International Day of Neutrality
  • 12 December: International Universal Health Coverage Day
  • 18 December: International Migrants Day
  • 18 December: Arabic Language Day
  • 20 December: International Human Solidarity Day
  • 27 December: International Day of Epidemic Preparedness

Notable Days and Weeks

World Cancer Day

World Cancer Day is one of the important days in February. World Cancer Day is an annual event that aims to raise awareness and promote education about cancer prevention, diagnosis and treatment. It has grown into a global initiative that has brought people together to fight cancer since 2000. On World Cancer Day, various organizations around the world organize events and activities to raise awareness of cancer, share information about the disease, and support cancer patients and survivors. World Cancer Day reminds people of the importance of early detection and diagnosis and encourages people to take action in the fight against cancer.

International Women's Day

International Women's Day is celebrated on March 8 each year to honor the social, economic, cultural and political achievements of women around the world. International Women's Day basically qualifies as a day of remembrance. International Women's Day also sheds light on the ongoing struggle for gender equality and women's rights. Since the early 1900s, it has evolved into a global movement with various events, rallies and campaigns advocating for women's empowerment and calling for an end to discrimination and gender-based violence. Every year, International Women's Day has a specific theme to focus on, such as women's health, economic empowerment and gender-based violence. International Women's Day serves as an opportunity to recognize the important contributions of women to society and to call for further progress towards gender equality.

World Autism Awareness Day

World Autism Awareness Day is an event held on April 2 that aims to increase understanding and acceptance of autism spectrum disorders (ASD) worldwide. World Autism Awareness Day was designated by the United Nations in 2007 to raise awareness about autism and to promote early detection and intervention for individuals with ASD. Various events and activities are organized by autism organizations, advocacy groups and individuals to raise awareness about autism and raise funds for research and support services on this day. The event encourages people to learn more about autism, promotes the acceptance and inclusion of people with ASD, and recognizes the unique strengths and abilities of people with autism. World Autism Awareness Day reminds us of the importance of creating a more inclusive world for individuals with ASD.

Earth Day

Earth Day is an annual event celebrated on April 22nd to raise awareness about environmental issues and to encourage people to take action to protect the planet. The day was first observed in 1970, and since then, it has grown into a global movement that brings people together to promote environmental sustainability and protect the Earth's natural resources. On Earth Day, people organize events, rallies, and campaigns to raise awareness about environmental issues such as climate change, deforestation, pollution, and plastic waste. The day serves as a reminder of the importance of taking action to protect the planet and to preserve it for future generations. Earth Day encourages people to make changes in their daily lives to reduce their environmental impact and to support policies and initiatives that promote a sustainable future.

International Day of Yoga

The International Day of Yoga is celebrated annually on June 21st and was first introduced by the United Nations General Assembly in 2014. The day aims to raise awareness of the many benefits of yoga and to promote a healthy lifestyle. Yoga is an ancient practice that originated in India and has since become popular worldwide. On this day, various events and activities are organized by yoga enthusiasts and organizations around the world to promote the practice of yoga and its benefits for physical, mental, and spiritual well-being. The event serves as a reminder of the importance of maintaining a healthy lifestyle and of the positive impact that yoga can have on one's overall health and well-being. The International Day of Yoga celebrates the universal appeal of yoga and its ability to bring people together in a spirit of harmony and peace.

World Food Day

World Food Day is observed annually on October 16th to raise awareness about the importance of food security and to promote efforts to end hunger and malnutrition. The day was established by the United Nations Food and Agriculture Organization (FAO) in 1979 and is observed in more than 150 countries worldwide. On this day, various events and activities are organized by governments, organizations, and individuals to promote awareness of food-related issues and to advocate for policies and actions that can help ensure access to safe and nutritious food for all. World Food Day is an opportunity to celebrate the achievements of those who have made significant contributions to the fight against hunger and malnutrition, while also highlighting the work that still needs to be done to achieve food security for all.

World AIDS Day

World AIDS Day is observed annually on December 1st to raise awareness about the global epidemic of HIV/AIDS and to remember those who have lost their lives to the disease. The day was first observed in 1988 and has since become a global event with various activities and events organized by governments, organizations, and individuals to raise awareness and promote prevention and treatment efforts. The theme of World AIDS Day varies each year, and often focuses on issues related to HIV prevention, testing, treatment, and stigma reduction. The day serves as an opportunity to unite people around the world in the fight against HIV/AIDS, to honor those who have died from the disease, and to support those living with HIV/AIDS. World AIDS Day encourages people to get tested for HIV, to access treatment and care if needed, and to work towards ending the global HIV epidemic.

Human Rights Day

Human Rights Day is celebrated annually on December 10th to mark the anniversary of the adoption of the Universal Declaration of Human Rights by the United Nations General Assembly in 1948. The day serves as a reminder of the fundamental human rights that all individuals are entitled to, regardless of their race, ethnicity, gender, religion, or any other characteristic. On this day, various events and activities are organized by governments, organizations, and individuals to promote awareness of human rights issues and to advocate for the protection of human rights around the world. The day also highlights the work that still needs to be done to ensure that human rights are respected and protected for all. Human Rights Day encourages people to take action to promote and protect human rights, and to work towards a world where everyone can enjoy their basic human rights and freedoms.


In conclusion, Important Days and Weeks 2023 include a wide range of national and international observances that are designed to promote awareness and action on a variety of issues. From health and wellness to human rights and the environment, these days provide an opportunity for individuals and organizations around the world to come together and make a positive impact. By raising awareness of important issues and promoting action, these days help to inspire change and promote a better world for all. As we look ahead to the year 2023, we can look forward to celebrating these important days and weeks and working together to create a brighter future for everyone.

Frequently Asked Questions

How are important days and weeks chosen?

International days and weeks are often established by international organizations, such as the United Nations, to draw attention to specific issues and promote action. National days and weeks are often chosen by individual countries to celebrate significant events or to promote awareness of issues that are particularly relevant to their citizens.

How can businesses and organizations get involved in observing important days and weeks?

Businesses and organizations can get involved in observing important days and weeks by organizing events and activities related to the issues being highlighted, promoting awareness of these issues among employees and customers, and supporting organizations that work on these issues through donations and other forms of support.

How can individuals make a difference on these important days and weeks?

There are many ways for individuals to make a difference on important days and weeks, from volunteering with organizations that work on the issues being highlighted to donating to relevant causes. Individuals can also use social media and other platforms to raise awareness about these issues and to encourage others to take action. Additionally, individuals can make changes in their own lives, such as reducing their environmental footprint, to contribute to the global effort to address these challenges.

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